Global Patent Index - EP 0986295 A1

EP 0986295 A1 2000-03-22 - SINGLE-GRIP HARVESTER HEAD FOR FELLING AND PROCESSING OF TREES

Title (en)

SINGLE-GRIP HARVESTER HEAD FOR FELLING AND PROCESSING OF TREES

Title (de)

EINZELGRIFFERNTEVORSATZ ZUM FÄLLEN UND WEITERVERARBEITEN VON BÄUMEN

Title (fr)

TETE D'ABATTAGE-EBRANCHAGE A PRISE UNIQUE POUR L'ABATTAGE ET LE TRAITEMENT D'ARBRES

Publication

EP 0986295 A1 (EN)

Application

EP 98928694 A

Priority

  • SE 9800923 W
  • SE 9702105 A

Abstract (en)

[origin: WO9854949A1] A single-grip harvester head comprises a frame (1, 2), which defines a tree feeding path, and two feeding roller arms (5), which are pivotable in relation to the frame (1, 2) about a pivot axis (A1) each defined by a pivot pin (6) and which support a rotatable feeding roller (7) each. Each feeding roller arm (5) is formed as an angular lever with two lever legs (5a, 5b), the feeding roller (7) being supported at the free end of one of the legs (5a) and the pivot pin (6) of the feeding roller arm (5) being positioned in the angular area between the legs. The two pivot axes (A1) are located in a common plane perpendicular to the tree feeding path. Each pivot pin (6) is articulated to the frame (1, 2) at one of its ends by means of a ball joint (13) and controlled at its other end, in such a way that the pivot axis (A1) is movable in said plane but fixed in a direction perpendicular to this plane. The other leg (5b) of each feeding roller arm (5) is articulated to a slide (17) by means of a ball joint (16), which slide is reciprocatable in the direction of the tree feeding path in relation to the frame (1, 2) to maintain, in the pivoting of the feeding roller arms (5), a constant distance between the ball joints (16) by means of which the arms (5) are articulated to the slide (17).

IPC 1-7 (main, further and additional classification)

A01G 23/08; B27B 25/02

IPC 8 full level (invention and additional information)

A01G 23/081 (2006.01); B27B 25/02 (2006.01)

CPC (invention and additional information)

A01G 23/081 (2013.01); B27B 25/02 (2013.01)

Citation (search report)

See references of WO 9854949A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IE LI NL PT

EPO simple patent family

WO 9854949 A1 19981210; AT 233044 T 20030315; AU 718536 B2 20000413; AU 8043298 A 19981221; BR 9809933 A 20000801; CA 2291613 A1 19981210; CA 2291613 C 20060711; DE 69811662 D1 20030403; DE 69811662 T2 20031218; DE 69811662 T8 20040708; EP 0986295 A1 20000322; EP 0986295 B1 20030226; SE 507232 C2 19980427; SE 9702105 D0 19970604; SE 9702105 L 19980427; US 6189585 B1 20010220

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